SUMMARY OUTPUT | |||||
Regression Statistics | |||||
Multiple R | 0.84795 | ||||
R Square | 0.719019 | ||||
Adjusted R Square | 0.683897 | ||||
Standard Error | 67.19447 | ||||
Observations | 10 | ||||
ANOVA | |||||
df | SS | MS | F | Significance F | |
Regression | 1 | 92431.72 | 92431.72 | 20.4717 | 0.001938 |
Residual | 8 | 36120.78 | 4515.097 | ||
Total | 9 | 128552.5 |
Coefficients | Standard Error | t Stat | P-value | Lower 95% | Upper 95% | |
Intercept | 828.1269 | 136.1286 | 6.083416 | 0.000295 | 514.2138 | 1142.04 |
ad | 10.78676 | 2.384042 | 4.524567 | 0.001938 | 5.289146 | 16.28437 |
Y = 828.1269 +10.7868*ad
increasing ad will increased sales
.................
ad | sales | Predicted sales | error |
41 | 1250 | 1270.384 | -20.3839 |
54 | 1380 | 1410.612 | -30.6118 |
63 | 1425 | 1507.693 | -82.6926 |
54 | 1425 | 1410.612 | 14.38822 |
48 | 1450 | 1345.891 | 104.1088 |
46 | 1300 | 1324.318 | -24.3177 |
62 | 1400 | 1496.906 | -96.9058 |
61 | 1510 | 1486.119 | 23.88092 |
64 | 1575 | 1518.479 | 56.52064 |
71 | 1650 | 1593.987 | 56.01334 |
Please let me know in case of any doubt.
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please help ! Week 3 Simple Regression Forecasting Sales Problem Homework Assignment Using the Excel file...
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